---> uname -a: Linux prd-centos8-docker-4c-4g-10117.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 826 12108 19 2828 14601 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:fd:98:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.110/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86166sec preferred_lft 86166sec inet6 fe80::f816:3eff:fefd:9829/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c9:84:d7:1c brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/13/2026 _x86_64_ (4 CPU) 08:12:44 LINUX RESTART (4 CPU) 08:13:01 AM tps rtps wtps bread/s bwrtn/s 08:14:01 AM 303.96 22.46 281.51 6646.41 9569.08 08:15:01 AM 272.69 18.38 254.32 3081.11 19521.86 08:16:01 AM 30.79 0.52 30.28 16.53 1731.74 Average: 202.50 13.78 188.71 3248.38 10274.66 08:13:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 AM 13141584 15076140 2999940 18.59 2688 2145652 1436520 8.36 145228 2486304 288820 08:15:01 AM 11630268 13929564 4511256 27.95 2688 2502884 2256108 13.12 244232 3851620 40460 08:16:01 AM 11893336 14268656 4248188 26.32 2688 2578052 2099960 12.22 285820 3546384 74212 Average: 12221729 14424787 3919795 24.28 2688 2408863 1930863 11.23 225093 3294769 134497 08:13:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:14:01 AM eth0 466.08 242.06 2469.37 77.98 0.00 0.00 0.00 0.00 08:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 AM lo 4.13 4.13 0.42 0.42 0.00 0.00 0.00 0.00 08:15:01 AM eth0 563.30 327.99 4191.19 74.02 0.00 0.00 0.00 0.00 08:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 AM lo 25.00 25.00 5.67 5.67 0.00 0.00 0.00 0.00 08:16:01 AM eth0 54.32 45.49 241.02 37.24 0.00 0.00 0.00 0.00 08:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.71 9.71 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 361.26 205.19 2300.65 63.08 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/13/2026 _x86_64_ (4 CPU) 08:12:44 LINUX RESTART (4 CPU) 08:13:01 AM CPU %user %nice %system %iowait %steal %idle 08:14:01 AM all 25.50 0.00 3.45 1.30 0.09 69.66 08:14:01 AM 0 27.49 0.00 3.38 1.07 0.10 67.96 08:14:01 AM 1 41.70 0.00 5.65 3.33 0.12 49.21 08:14:01 AM 2 18.77 0.00 2.76 0.49 0.07 77.91 08:14:01 AM 3 13.99 0.00 1.99 0.34 0.07 83.62 08:15:01 AM all 56.03 0.00 2.74 1.61 0.13 39.49 08:15:01 AM 0 63.87 0.00 1.79 0.55 0.12 33.67 08:15:01 AM 1 44.56 0.00 3.72 2.23 0.13 49.36 08:15:01 AM 2 64.08 0.00 2.46 1.62 0.13 31.71 08:15:01 AM 3 51.59 0.00 3.00 2.04 0.12 43.25 08:16:01 AM all 16.39 0.00 0.89 0.15 0.07 82.50 08:16:01 AM 0 18.92 0.00 0.50 0.02 0.07 80.49 08:16:01 AM 1 15.81 0.00 0.80 0.12 0.07 83.21 08:16:01 AM 2 17.70 0.00 1.25 0.25 0.07 80.73 08:16:01 AM 3 13.14 0.00 1.00 0.20 0.08 85.57 Average: all 32.63 0.00 2.36 1.02 0.09 63.89 Average: 0 36.75 0.00 1.89 0.55 0.09 60.71 Average: 1 34.01 0.00 3.39 1.89 0.11 60.61 Average: 2 33.52 0.00 2.16 0.79 0.09 63.45 Average: 3 26.24 0.00 2.00 0.86 0.09 70.82